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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Os 50 Settings please help
03-31-2005 07:14 PM  13 years agoPost 1
Rob1962

rrApprentice

Long Island N.Y U.S.A.

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On the Os 50 how many turns out should the high end setting be thanks

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03-31-2005 07:28 PM  13 years agoPost 2
Gary

rrVeteran

Crosby, Texas

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I should have asked this question before running my Hyper 50 too. I've been flying nothing but 90's and wasn't sure what the 50 settings should be. The motor ran for about 5 min in a hover and ceased.

"Who said obsession was a bad thing"

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03-31-2005 07:36 PM  13 years agoPost 3
rotor- shark

rrVeteran

uk

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try starting at 1.5 to 2 turn's out to start with.it depends on so many factor's it's not possible to give an exact figure.blades, exhaust,fuel,plug, compression ratio,gear ratio,pitch curve.

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04-01-2005 08:18 PM  13 years agoPost 4
Fifer

rrApprentice

Fife Scotland

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Hi,
This might help................


http://www.osengines.com/manuals/50sx-h-manual.pdf

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04-02-2005 12:30 AM  13 years agoPost 5
bevoduz

rrVeteran

Normal, IL

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I followed the manual on my 50 hyper, 1.5 out stock, extra 1.5 out to break in, then start to lean. I"m at 2 turns now after a few gallons, and it's purring like a kitten...

Bevoduz

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04-03-2005 08:03 PM  13 years agoPost 6
RCfun

rrApprentice

Denmark

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I also started 3 turns out. Then flew 8 tanks while leaning it 1/8 turn between each flight until I reached 2 turns out. After I reached 2 turns out I have been leaning it 2 clicks each flight. Im about 1.5 turns (a bit more) out now and it is still rich. I will leave it there for the 1-2 more gallons then lean it out the rest. It drinks ALOT of fuel at 3 turns out and now where I am about 1.5 turns out it hovers for about 12 minutes. Im using 15% Coolpower. The low end I did not touch but it seems a bit too rich. Im only at the hovering stage. I hover for about 2-3 min then land and let it idle for about 30-60 seconds the up again etc...

/RCfun.

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